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ABSTRACT: Background
This study evaluated if genetic variations in the WNT family members and RUNX2 are associated with craniofacial maturation, investigating dental and skeletal maturity in children and teenagers.Methods
Radiographs from pre-orthodontic treatment of Brazilian patients (7 to 17 years-old) were used to assess dental (panoramic radiographs) and skeletal maturity (cephalometric radiographs). The chronological age (CA) was calculated based on the date of birth and the time the radiographs were performed. For the dental maturity analysis, the Demirjian (1973) method was used and a delta [dental age - chronological age (DA-CA)] was calculated. For the skeletal maturity analysis, the Baccetti et al. (2005) method was used and the patients were classified as "delayed skeletal maturation", "advanced skeletal maturation" or "normal skeletal maturation". DNA isolated from buccal cells was used for genotyping of two genetic variations in WNT family genes: rs708111 (G > A) in WNT3A and rs1533767 (G > A) in WNT11; and two genetic variations in RUNX2: rs1200425 (G > A) and rs59983488 (G > T). A statistical analysis was performed and values of p < 0.05 indicated a significant difference.Results
There were no associations between dental maturity and genotypes (p > 0.05). In the skeletal maturity analysis, the allele A in the rs708111 (WNT3A) was statistically more frequent in patients with delayed skeletal maturation (Prevalence Ratio = 1.6; 95% Confidence Interval = 1.00 to 2.54; p-value = 0.042).Conclusions
The rs708111 in the WNT3A gene impacts on skeletal maturation.
SUBMITTER: Bitencourt Reis CL
PROVIDER: S-EPMC10316614 | biostudies-literature | 2023 Jul
REPOSITORIES: biostudies-literature
Bitencourt Reis Caio Luiz CL Nakane Matsumoto Mirian Aiko MA Baratto-Filho Flares F Scariot Rafaela R Sasso Stuani Maria Bernadete MB Lourenço Romano Fábio F Della Coletta Ricardo R Silva Barroso de Oliveira Daniela D Proff Peter P Kirschneck Christian C Calvano Küchler Erika E
Head & face medicine 20230703 1
<h4>Background</h4>This study evaluated if genetic variations in the WNT family members and RUNX2 are associated with craniofacial maturation, investigating dental and skeletal maturity in children and teenagers.<h4>Methods</h4>Radiographs from pre-orthodontic treatment of Brazilian patients (7 to 17 years-old) were used to assess dental (panoramic radiographs) and skeletal maturity (cephalometric radiographs). The chronological age (CA) was calculated based on the date of birth and the time the ...[more]